Useful TPS62827 3.3V Voltage Controller Board Step-Down Voltage Regulator 2A Max
7,72 €
That range isn't huge, but it covers LiPo batteries, 3-cell alkaline batteries, and USB power. Great for your portable projects, we made this chip "pin compatible" with the LM1117-3.3V TO-220 chip, so you can swap it out for better performance (90-95% efficiency!).
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